At work point do you realise you've lost contact with someone you used to be close to?

We all have busy lives, and some people make more effort to keep in contact than others. At what point do you remember or miss that person. Maybe they were the ones making all the effort. Maybe you had to all the time and stopped.
Yes life goes on but it's nice to have friends and be wanted.
At work point do you realise youve lost contact with someone you used to be close to?
At work point do you realise you've lost contact with someone you used to be close to?
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